html, body {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #f5f5f5;
}

.header {
    border-color: #e9ecef;
}

.header .logo {
    color: #DC3545;
}


.header .form-control:focus {
    box-shadow: none;
    border-color: #DC3545;
}

.nav-link {
    color: black;
}

.nav-link:hover {
    color: #0d6efd;
}

.nav-link.active {
    color: #0d6efd;
}

.footer {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.02);
}

.footer h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer h5:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: #3498db;
}

.footer ul li {
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
}

.footer ul li:hover {
    transform: translateX(5px);
}

.footer a {
    color: #7f8c8d;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: #3498db;
    text-decoration: none;
}

.footer .bi {
    color: #3498db;
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.footer p {
    color: #7f8c8d;
    line-height: 1.8;
}

.footer .copyright {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    color: #95a5a6;
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    margin-right: 0.8rem;
    color: #3498db;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #3498db;
    color: white;
    transform: translateY(-3px);
}